[Search] Don't validate for valid regex on web searchs

lib/cocoapods/command/search.rb

@@ -36,10 +36,14 @@ module Pod
         super
         help! "A search query is required." unless @query
 
+        unless @web
+          begin
             /#{@query.join(' ').strip}/
           rescue RegexpError
             help! "A valid regular expression is required."
           end
+        end
+      end
 
       def run
         if @web

spec/functional/command/search_spec.rb

@@ -50,7 +50,7 @@ module Pod
       output.should.include? 'BananaLib'
     end
 
-    it "shows a friendly message when searching with invalid regex" do
+    it "shows a friendly message when locally searching with invalid regex" do
       lambda { run_command('search', '+') }.should.raise CLAide::Help
     end
 
@@ -58,6 +58,11 @@ module Pod
 
       extend SpecHelper::TemporaryRepos
 
+      it "searches with invalid regex" do
+        Command::Search.any_instance.expects(:open!).with('http://cocoapods.org/?q=NSAttributedString+CCLFormat')
+        run_command('search', '--web', 'NSAttributedString+CCLFormat')
+      end
+
       it "searches the web via the open! command" do
         Command::Search.any_instance.expects(:open!).with('http://cocoapods.org/?q=bananalib')
         run_command('search', '--web', 'bananalib')